Adding chlorine at a dosage of 0.2 mg/L as Cl2 to. drinking water will increase the corrosion of copper and iron in the system but may not adversely. affect lead. In general, elevating the pH of the water to between 7.0 and 7.8 is beneficial in. counteracting the corrosive effect of chlorinated water.
A macrosystem is a large system within which microsystems are contained. An example of a part of a law firm's macrosystem is the U.S. court system. macrosystem is a large system within which microsystems are contained. An example of a part of a law firm's macrosystem is the U.S. court system.
SASÂ® Macro Autocall and %Include Jie Huang, Merck & Co., Inc. Tracy Lin, Merck & Co., Inc. ABSTRACT SASÂ® provides several methods to invoke external SAS macros in a SAS program. There are two that are most often used, one is the autocall library, which enables users to invoke a macro that is not defined in the same SAS program, while the other is the %include